. >>> win or go home, we are just 90 minutes way from game five and the winner meets san francisco sunday. we have live coverage from nationals park starting with our own derek mcginty. all right, derek, what's the atmosphere out there right now? it's got to be building and building. >> reporter: the atmosphere is freezing cold. that's what the atmosphere is. it's a brisk night out here at nats park, anita. that will get the blood flowing, as if we needed any help for game five of the national league division series, the nationals all excited about a game that quite frankly a lot of folks thought might not happen, but as we b, one swing of the bat -- know, one swing of the bat can change everything. jayson werth made that happen last night for the